#1865: Anechollection

These folk will often have shelves packed with records (as shown in cross-section A).

Today’s invention is in the form of triangular inserts (pale blue) for the shelves (B).

Such additions would still allow the LPs to be conveniently stored, but they would also act as the absorptive surfaces of an anechoic chamber -providing a better, isolated listening environment for purist, old-school audiophiles.